Parametric Optimization of Squeeze Cast AC2A-Ni Coated SiC_p Composite Using Taguchi Technique

Table 4

Average 𝑆/𝑁 ratio response for hardness.

	𝐴	𝐵	𝐶	𝐷	𝐸
Level 1	40.5415	41.4192	40.7579	41.4404	41.0333
Level 2	41.5098	41.5044	41.3271	41.6584	41.7072
Level 3	41.905	41.6585	42.3146	41.5002	41.8259
Level 4	42.1798	41.5539	41.7365	41.537	41.5696
Max-Min	1.63833	0.23934	1.55676	0.21799	0.79258
Rank	1	4	2	5	3
Optimum level	𝐴4	𝐵3	𝐶3	𝐷2	𝐸3